Stock of a crossbow



FIG. 1 is a top, front, left side perspective view of a stock of acrossbow showing my new design;

FIG. 2 is a is a bottom, rear, right side perspective view thereof;

FIG. 3 is a left side elevational view thereof, the right side being amirror image of FIG. 3;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereo;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a stock of a crossbow, as shown and described.